171 ventilation valve on offer(Disclaimer)
-
➤ Current offers in price comparison
-
➤ Versatile options always in focus
-
➤ Last checked on 13.10.2026
Filter
30% discount

Yiklwwy Crankcase Ventilation Vent PCV Valve Replacement For BMW 5 6 7 X5 E60 E61 E63 E65 E66 E67 E53 E70 N62 4.4L 4.8L 11127537733
Part numbers:11127537733 ,11 12 7 537 733 , 7 537 733, 11127547058 ,11 12 7 547 058, 7 547 058
Check price
23% discount

Fuel Tank Roll Over Vent Valve for MTD 170cc 208cc Engine, for Cub Cadet Garden Tiller FT24 RT35 RT45 RT65, Replaces 951-14077, 751-14077, 951-10796, 751-12159, 751-10796, 951-05022, 951-14332
Roll Over Valve for CUB Cadet Garden Tiller FT24 FT24R, RT35 RT45 RT65 RT65E RT65ES
Check price
20% discount

FanGoFast Exhaust Fan Stainless Steel Ventilation Fan with Switch Wall mounted Bathroom fan with check valve for Kitchen, Workshop, Basement (Silver, 10 inch)
FanGoFast
Check price

Oatey 39016 Sure-Vent 1-1/2 in. to 2 in. 160 Branch, 24 Stack DFU Air Admittance Valve with PVC Sch. 40 Adapter
Complies to ASSE Standard 1050 and 1051
see shop
Check price
15% discount

Repa Market 100mm Anthracite Steel Exhaust Diffuser with Flange - Soffit Vent - Adjustable Valve for Optimal Airflow - Quiet Duct Air Extraction - Indoor Ventilation - Round Duct Cover
Exhaust diffusers are designed for removing air in residential buildings, offices, kitchens, bathrooms and other air conditioning or ventilation systems. Diffuser comes with foam insulation located beneath the cover, reducing sounds and vibrations.
Check price
17% discount

RectorSeal Clean Check 97023 Extendable Backwater Valve, Installs Descretely, Plumbing, 3"
APPLICATION: Clean Check PVC extendable backwater valves prevent sewage backup into a residence or building as a result of a plugged sewer system, excess volume in the system or groundwater flooding
Check price
15% discount

Lwoxvzjk Bathroom Exhaust Fan 12" Panel, 10x10 Mount
【Powerful 141 CFM Ventilation】Built with a high-performance spiral centrifugal fan and optimized air duct structure, this ceiling ventilation fan provides steady 141 CFM airflow. It quickly removes shower steam, excess moisture, and bad odors in minutes. MTBF for more than 10,000+ hours, it's ideal for spaces up to 120 square feet
Check price
11% discount

TIHCXNY 10-inch wall-mounted kitchen metal exhaust fan with switch, 382-576CFM, portable installation, with return air valve, suitable for attic, garage, bathroom, office, basement ventilation, White
(High-Speed Exhaust Fan) A high-speed fan with ultra-high rotation speed, featuring a high-quality metal frame and seven aluminum blades, efficiently removes smoke, moisture, and odors from any space.
Check price
13% discount

Studor 20344 Tec-Vent Commercial Air Admittance Valve
Air admittance valve made of flame-retardant, high-tensile-strength polycarbonate resin (UV rated for outdoor installation)
Check price
11% discount

Repa Market 200mm White Steel Exhaust Diffuser with Flange - Soffit Vent Grille - Adjustable Valve for Optimal Airflow - Quiet Duct Air Extraction - Indoor Ventilation - Round Duct Cover
Exhaust diffusers are designed for removing air in residential buildings, offices, kitchens, bathrooms and other air conditioning or ventilation systems. Diffuser comes with foam insulation located beneath the cover, reducing sounds and vibrations.
Check price
15% discount

Oatey Sure-Vent 1-1/2 In. Air Admittance Valve Installation Kit - 1 Each
Sure-Vent air admittance valve installation pack
Check price
13% discount

YUXIVCNE Fuel Tank Vent Valve Compatible with DXPW3425E 3400 PSI Gas Pressure Washer Vent Fitting Part
Accurately Compatible: The one-way tank vent valve replacement is compatible with DXPW3425E 3400 PSI gas pressure washer. Quickly restores normal ventilation to the equipment and significantly extends overall system longevity
Check price
9% discount

Aulmscn 4" Motorized Duct Damper, Stainless Steel Backdraft for HVAC,DC24V
[Remote Motorized Control]: The damper features a DC 24V electric actuator. Simply connect the switch to the actuator following the wiring diagram to enable remote valve control. It absorbs vibration and minimizes operational noise.
Check price
10% discount

TIHCXNY 6-inch wall-mounted kitchen metal exhaust fan with switch, 382-576CFM, portable installation, with return air valve, suitable for attic, garage, bathroom, office, basement ventilation, White
(High-Speed Exhaust Fan) A high-speed fan with ultra-high rotation speed, featuring a high-quality metal frame and seven aluminum blades, efficiently removes smoke, moisture, and odors from any space.
Check price
8% discount

Black Metal 6 Inch Exhaust Fan, 460 CFM Iron Ventilation Extractor Fan
【Metal Ventilation Fan】>> Made With Metal Material, That'S Heavy Duty And Can'T Be Broken Easily Compared To Plastic Material, Suitable For Attic, Basement, Bathroom, Garage, Kitchen.
Check price
10% discount

TIHCXNY 6-inch wall-mounted kitchen metal exhaust fan with switch, 382-576CFM, portable installation, with return air valve, suitable for attic, garage, bathroom, office, basement ventilation, Black
(High-Speed Exhaust Fan) A high-speed fan with ultra-high rotation speed, featuring a high-quality metal frame and seven aluminum blades, efficiently removes smoke, moisture, and odors from any space.
Check price

MUCKLILY 2pcs Dryer Filter Duct Connector Air Vent Blocker Check Valves for Ventilation
Vent blockers:pipes, Pipes, or any other pipes that only need one-way airflow to connect to this non -return device,dryer vent connector
free delivery
Check price
7% discount

Repa Market ø4" Inch Stainless Steel Universal Diffuser - Adjustable Valve - Optimal Airflow - Air Intake, Exhaust Duct Ventilation - Round Metal Soffit Vent Grille Cover - Home Office, Wall Ceiling
PRECISE DIMENSIONS: Diameter of diffuser plate: Ø5.51" Inch. Diameter of diffuser neck: Ø3.89" Inch. Maximum operating temperature: 600°C / 1112°F – engineered for standard HVAC ducts.
Check price

One-Way Degassing Pe Valve 100pcs One-Way Degassing PE for Valve with Filter Exhaust Ventilation Vent Coffee
Prevents Oxidation & Preserves Freshness: Lets CO2 (released by roasted coffee, grains, or fermented products) escape naturally while creating an oxygen-free environment inside the package
free delivery
Check price
6% discount

Steam air valves Maid o' mist #5 1/8" Angle steam vent
Angle radiator air value, 1/8 inch angle steam vent with .070 vent size for use on radiators near boilers & in warm rooms
Check price

Oatey 39238 Air Admittance Valve, 1.5" 2", White
Sweet Spot technology opens valve at -0.01 psi and seals at 0 psi and above
free delivery
Check price
11% discount

Watts DUOVENT High Capacity Air Vent Boiler Valve 1/8" Female NPT
The product is manufactured in china
Check price

BesNPT Brass 1/4" NPT Automatic Air Vent Valve Float Air Release Valve
Inclub: 1PCS 1/2" G male vent valve. 1PCS 1/2" G female to 1/4" NPT male connector.
free delivery
Check price

Valemo VFV-12, 1/8" NPT, Automatic Air Bleed Vent
Automatic Air Vent
free delivery
Check price

TURvent 4 inch Pine Wood Diffuser - Sauna Vent Cover for Wall and Ceiling - Adjustable Supply Exhaust Air Valve - Wooden Round Ventilation Covers
Universal Fit – Designed with an internal diameter of 4 inch (Duct Opening) and an external diameter of 5.7 inch (front cover), this wooden vent cover fits seamlessly with all types of round ducting systems, ensuring a versatile and reliable solution for ventilation needs.
free delivery
Check price

1-1/2 inch Tuuber Vent 2x Superior Seal Air Admittance Valve
Terminate The Vent Pipe with 2x superior sealing capability
free delivery
Check price

PVC Round Pipe Backdraft Damper Check Valve for Bathroom or Kitchen for exhaust Fan Ventilation System, White, Multiple Sizes(200mm)
【Premium PVC Construction】: Made from thick, high-quality PVC material that resists warping and cracking, this backdraft damper maintains its shape in humid bathroom and kitchen environments, providing reliable airflow control for years without degradation or color fading
free delivery
Check price

PATIKIL 4" Duct Connector Flange ABS Square Air Ventilation with Duct Valve
Outer Diameter of Interface: 95 mm / 3.7 inch; Overall Dimensions: 148 x 148 x 70 mm / 5.8 x 5.8 x 2.8 inch (L*W*H); Diagonal Mounting Hole Distance: 155 mm / 6.1 inch; Adjacent Mounting Holes Distance: 110 mm / 4.3 inch; Color: Black; Material: ABS Plastic; Packing List: 1 x Pipe Connector Flange
free delivery
Check price

75mm PVC Motorized Air Damper Valve - 12V DC HVAC Duct Control Valve for Ventilation Systems, Horizontal/Vertical Mount
Precise Airflow Control – This motorized damper valve allows you to regulate or completely shut off airflow in HVAC ducts, improving energy efficiency by preventing unnecessary air leakage.
free delivery
Check price

ZOWZEA 8" HVAC Duct Manual Volume Backdraft Damper, Stainless Steel Adjustment Handle, Airflow Control Valve for HVAC Ventilation System
[Stainless Steel Material]: Our 8-inch vent damper is made entirely of stainless steel, both the body and the flap, offering exceptional durability and corrosion resistance. Compared to the common galvanized iron on the market, our stainless steel not only provides a more lustrous appearance but also superior performance in humid and high-temperature conditions, ensuring you enjoy long-lasting peace of mind.
free delivery
Check price

PATIKIL 6" Duct Connector Flange ABS Square Air Ventilation with Duct Valve
Outer Diameter of Interface: 145 mm / 5.7 inch; Overall Dimensions: 180 x 180 x 75 mm / 7.1 x 7.1 x 3 inch (L*W*H); Diagonal Mounting Hole Distance: 170 mm / 6.7 inch; Adjacent Mounting Holes Distance: 80 mm / 3.1 inch; Color: Black; Material: ABS Plastic; Packing List: 1 x Pipe Connector Flange
free delivery
Check price

QLUORUIL Actuator Switch for Air Damper Valve Switch Electric air Duct Motorized Damper for Ventilation Pipe Valve
Control Valves
free delivery
Check price

LIRAST 4 inch Resin Free Wood Diffuser - Round Sauna Vent Cover - Adjustable Air Valve - Supply Exhaust Ventilation Covers for Wall and Ceiling - Black Alder
Wooden Vent Cover has internal diameter of 3.9 inches and external diameter of 5.7 inches for efficient air distribution. Round Vent Diffuser is suitable for both supply and exhaust air flow, offering versatile ventilation options.
free delivery
Check price

ZOWZEA 5" HVAC Duct Manual Volume Backdraft Damper, Stainless Steel Adjustment Handle, Airflow Control Valve for HVAC Ventilation System
[Stainless Steel Material]: Our 5-inch vent damper is made entirely of stainless steel, both the body and the flap, offering exceptional durability and corrosion resistance. Compared to the common galvanized iron on the market, our stainless steel not only provides a more lustrous appearance but also superior performance in humid and high-temperature conditions, ensuring you enjoy long-lasting peace of mind.
free delivery
Check price

PATIKIL 8" Duct Connector Flange ABS Square Air Ventilation with Duct Valve
Outer Diameter of Interface: 195 mm / 7.7 inch; Overall Dimensions: 235 x 235 x 90 mm / 9.3 x 9.3 x 3.5 inch (L*W*H); Diagonal Mounting Hole Distance: 222 mm / 8.7 inch; Adjacent Mounting Holes Distance: 101 mm / 4 inch; Color: Black; Material: ABS Plastic; Packing List: 1 x Pipe Connector Flange
free delivery
Check price

Stainless Steel Vent Cap Silver for Gas Water Heater Chimney Flue
Hard start kit for gas water heater:provides anti-freeze functionality, protecting the water heater from freezing during cold seasons,pipeline connector
free delivery
Check price

SOLUSTRE 2pcs Ventilation Pipe Valve Backflow Valve for Air Ducts Vent Connector Easy Install and Design for Exhaust Fans and Systems
Shut off valve:easy to use, the duct connector is simple to operate, suitable for personal or professional use,portable ventilation pipe supply
free delivery
Check price

LIRAST 5 inch Resin Free Wood Diffuser - Round Sauna Vent Cover - Adjustable Air Valve - Supply Exhaust Ventilation Covers for Wall and Ceiling - Black Alder
Wooden Vent Cover has internal diameter of 4.9 inches and external diameter of 6.7 inches for efficient air distribution. Round Vent Diffuser is suitable for both supply and exhaust air flow, offering versatile ventilation options.
free delivery
Check price

ZOWZEA 4" HVAC Duct Manual Volume Backdraft Damper, Stainless Steel Adjustment Handle, Airflow Control Valve for HVAC Ventilation System
[Stainless Steel Material]: Our 4-inch vent damper is made entirely of stainless steel, both the body and the flap, offering exceptional durability and corrosion resistance. Compared to the common galvanized iron on the market, our stainless steel not only provides a more lustrous appearance but also superior performance in humid and high-temperature conditions, ensuring you enjoy long-lasting peace of mind.
free delivery
Check price

POPETPOP Range Hood Damper Pvc Duct Reducer Kitchen Ventilation Valve Air Duct Adapter Vacuum Check Valve Noise Reduction Design
Versatile application: suitable for use ducts, providing flexibility for different kitchen configurations,range hood damper,air duct adapter
free delivery
Check price

TURvent 6 inch White Metal Diffuser - Adjustable Vent for Wall - Ceiling Duct Cover - Supply Air Valve - Round Ventilation Covers for Bathroom Kitchen Garage
Universal Fit – Designed with an internal diameter of 5.9 inches and an external diameter of 7.9 inches, this metal hvac diffuser fits seamlessly with all types of round ducting systems, ensuring a versatile and reliable solution for ventilation needs.
free delivery
Check price

Alipis Abs Liquid Check Valve Exhaust Vent Cover Backflow Preventer Shut off Valve for Air Duct Vent Bathroom Hotel Simple Design
Exhaust valve:light in size, flexible in use, this reusable duct connector is easy to install and disassemble,duct connector
free delivery
Check price

LIRAST 6 inch Resin Free Wood Diffuser - Round Sauna Vent Cover - Adjustable Air Valve - Supply Exhaust Ventilation Covers for Wall and Ceiling - Black Alder
Wooden Vent Cover has internal diameter of 6.3 inches and external diameter of 8.3 inches for efficient air distribution. Round Vent Diffuser is suitable for both supply and exhaust air flow, offering versatile ventilation options.
free delivery
Check price

Rectorseal 97003 3-Inch Abs Clean Check Extendable Backwater Valve, 1-Piece
APPLICATION: Clean Check ABS extendable backwater valves prevent sewage backup into a residence or building as a result of a plugged sewer system, excess volume in the system or groundwater flooding
free delivery
Check price

PATIKIL 4" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System
Outer Diameter of Interface: 97 mm / 3.82 inch; Overall Size: 200 x 1 mm / 7.87 x 0.04 inch (L*T); Color: Silver
free delivery
Check price
5% discount

PATIKIL 12" HVAC Duct Manual Adjustment Airflow Volume Damper Metal
Color: Silver; Material: Galvanized Iron; Outer Diameter of Interface: 297mm / 12 inch; Overall Size: 305 x 1 mm / 12 x 0.04 inch (L*T); Packing List: 1 x Duct Manual Volume Damper
Check price

PATIKIL 4 Inch Backdraft Damper Control Valve, Duct Manual Volume Adjustment Airflow Ducting for Fan Airflow, Dryer Vent, Range Hood, White
Specification: Color: White; Material: PVC; Outer Diameter of Interface: 96 mm / 3.94 inch; Inner Diameter of Interface: 92 mm / 3.62 inch; Packing List: 1 pcs Duct Manual Volume Damper
free delivery
Check price

PATIKIL 4 Inch Backdraft Damper Control Valve, 2 Pcs Duct Manual Volume Adjustment Airflow Ducting for Fan Airflow, Dryer Vent, Range Hood, White
Specification: Color: White; Material: PVC; Outer Diameter of Interface: 96 mm / 3.94 inch; Inner Diameter of Interface: 92 mm / 3.62 inch; Packing List: 2 pcs Duct Manual Volume Damper
free delivery
Check price

ZOWZEA 10" HVAC Duct Manual Volume Backdraft Damper, Stainless Steel Adjustment Handle, Airflow Control Valve for HVAC Ventilation System
[Stainless Steel Material]: Our 10-inch vent damper is made entirely of stainless steel, both the body and the flap, offering exceptional durability and corrosion resistance. Compared to the common galvanized iron on the market, our stainless steel not only provides a more lustrous appearance but also superior performance in humid and high-temperature conditions, ensuring you enjoy long-lasting peace of mind.
free delivery
Check price

PATIKIL 6 Inch 3 Way Splitter, T-Shaped Metal Manual Volume Damper for Vents Fans Extractors Stove Pipes Range Hoods HVAC Ventilation Systems
SPECIFICATION: Color: Silver; Outer Diameter: 150 mm / 5.91 inch; Thickness: 1 mm / 0.04 inch; Length: 425 mm / 16.73 inch, 100 mm / 3.94 inch; Packing List: 1Pcs T Shaped Manual Volume Damper.
free delivery
Check price

One-Way Degassing Pe Valve 100pcs One-Way Coffee Degassing Valves,Fast Exhaust Ventilation,Air Release Valves,Ideal for Fresh Coffee Packaging(Valves with Filter)
Prevents Oxidation & Preserves Freshness: Lets CO2 (released by roasted coffee, grains, or fermented products) escape naturally while creating an oxygen-free environment inside the package
free delivery
Check price

HXymxkeqi 4 Inch Manual Airflow Control Damper, 100mm OD / 150mm Length, Full Stainless Steel Duct Valve with Handle, for HVAC & Ventilation Duct Systems
1. 【Compact Size, All-Stainless】: Standard 4-inch port with 100mm outer diameter and a compact 150mm total length. Fabricated from all-stainless steel (Grade 201) as a single unit, offering uniform strength and rust resistance, eliminating galvanic corrosion and strength concerns associated with aluminum blades.
free delivery
Check price

PATIKIL 3 Inch 3 Way Splitter, Y-Shaped Metal Manual Volume Damper for Vents Fans Extractors Stove Pipes Range Hoods HVAC Ventilation Systems
SPECIFICATION: Color: Silver; Outer Diameter: 76 mm / 2.99 inch; Thickness: 1 mm / 0.04 inch; Length: 150 mm / 5.91 inch, 100 mm / 3.94 inch; Packing List: 1Pcs T Shaped Manual Volume Damper.
free delivery
Check price

Deskbloom Automatic Air Release Valve 304 Stainless Steel Exhaust Valve for Floor Heating and Boiler Systems, Available in 1/2, 3/4, 1 Inch Sizes(DN15)
Automatic Air Release Valve For Heating Systems: Designed to forestall trapped air in floor heating boilers and hot water pipelines, improving system efficiency and maintaining consistent temperature output for enhanced comfort.
free delivery
Check price

Oatey Sure-Vent 1-1/2 in.–2 in. 160 Branch, 24 Stack DFU Air Admittance Valve with White PVC Sch. 40 Adapter
Sure-Vent air admittance valve with PVC Sch. 40 adapter
free delivery
Check price

JB Products Air Admittance Valve AAV, 20 DFU – 2″ x 1-1/2″ with Threaded Adapter, ABS Construction Plumbing Vent Valve for Drainage Systems (Black)
20 DFU VENTING CAPACITY – This AAV is Designed to effectively vent plumbing fixtures rated up to 20 Drainage Fixture Units (DFU), ideal for sinks, lavatories, and other low-flow applications.
free delivery
Check price

Oatey 39225 Air Admittance Valve with White Tubular Adapter Sure-Vent 1.5 in.20 Branch, 8 Stack DFU Capacity
Complies to ASSE Standard 1050 and 1051
free delivery
Check price

Vent Systems 4" inch Air Vent Duct Connector Flange Straight Ventilation Pipe Plastic Ducting Connector Plate For Cooling Heating Ventilation System HVAC With Valve
Made of High Quality ABS Plastic and perfectly designed for DIY and Trade
free delivery
Check price

PATIKIL 4 Inch 3 Way Splitter, Y-Shaped Metal Manual Volume Damper for Vents Fans Extractors Stove Pipes Range Hoods HVAC Ventilation Systems
SPECIFICATION: Color: Silver; Outer Diameter: 100 mm / 3.94 inch; Thickness: 1 mm / 0.04 inch; Length: 150 mm / 5.91 inch, 100 mm / 3.94 inch; Packing List: 1Pcs T Shaped Manual Volume Damper.
free delivery
Check price

RectorSeal Clean Check 97026 Extendable Backwater Valve, Installs Descretely, Plumbing, 6"
APPLICATION: Clean Check PVC extendable backwater valves prevent sewage backup into a residence or building as a result of a plugged sewer system, excess volume in the system or groundwater flooding
free delivery
Check price

Midline Valve 6J3I5-5 Steam Radiator Air Vent; Heat Regulator Valve; Angle Adjustable Mount; 1/8 in. MIP; Chrome Plated Steel (5 Pack)
Quiet PerFormance: These Mini Valves Will Balance Your Heating Systems Smoothly and Evenly, with No Hissing, Clicking, and Banging
free delivery
Check price

Allvent Bathroom Exhaust Fan 141 CFM 6 Inch Home Ventilation Ceiling Window and Wall Mount Vent Fan with Anti-backflow Check Valve for Kitchen Bathroom Garage(110v/18W/White)
Modern design: Modern design and good looking, the unit provides continuous and quiet ventilation to allow speedy reduction of humidity levels. Paremeters: Air flow 141 CFM, Power:18w, Voltage: 110v
free delivery
Check price

PATIKIL 3 Inch 3 Way Splitter, T-Shaped Metal Manual Volume Damper for Vents Fans Extractors Stove Pipes Range Hoods HVAC Ventilation Systems
SPECIFICATION: Color: Silver; Outer Diameter: 76 mm / 3 inch; Thickness: 1 mm / 0.04 inch; Length: 300 mm / 11.8 inch, 100 mm / 3.94 inch; Packing List: 1Pcs T Shaped Manual Volume Damper.
free delivery
Check price

Automatic Air Vent Valve, G1/2 Brass DN15 Automatic Vent Valve for Solar Water Heater Pressure Relief Valve
【FEATURES】 This automatic float valve features high temperature resistance, rust protection, preservative, reliably sealing.
free delivery
Check price

RectorSeal Clean Check 97024 Extendable Backwater Valve, Installs Descretely, Plumbing, 4"
APPLICATION: Clean Check PVC extendable backwater valves prevent sewage backup into a residence or building as a result of a plugged sewer system, excess volume in the system or groundwater flooding
free delivery
Check price

Aydomer 8 Inch Exhaust Fan Metal Ventilation Fan With Switch Window And Wall Mounted Extractor Warehouse Fan With Check Valve For Kitchen, Attic, Garage(Black)
【EFFICIENT VENTILATION FAN】-This exhaust fan with switch adopts double ball bearing outer rotor brush-less motor to ensure high efficient, quiet operation and high-quality performance. Compared with ordinary motors, the upgraded motor can reduce friction coefficient, save electricity effectively and enlarge the service life of the machineventilation fan, and longer life of the ventilation fan.
free delivery
Check price

Vent Systems 6" inch Air Vent Duct Connector Flange Straight Ventilation Pipe Plastic Ducting Connector Plate for Cooling Heating Ventilation System HVAC with Valve
FITS 6" INCH DUCTS: Duct connector flange with both male fittings, diameter of 5.87" inches and flange insertion depth of 1.18" inches. Plate dimensions are 7.87" x 7.87" inches. Screw hole spacing is 7.28" x 7.28". Easily will fit with any plastic pipes for HVAC.
free delivery
Check price

10" HVAC Duct Manual Volume Backdraft Damper with Adjustment Handle Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System
Manual Airflow Adjustment: Enjoy a comfortable environment with our damper sleeve, designed to use the manual handle on the valve to adjust the air volume from multiple angles. This is helpful to control room temperature and stop the backdraft. It is also important to know that the damper sleeve should be installed in places where you can easily control the handle.
free delivery
Check price

JB Products Air Admittance Valve AAV, 20 DFU – 2″ x 1-1/2″ with Threaded Adapter, PVC Construction Plumbing Vent Valve for Drainage Systems (White)
20 DFU VENTING CAPACITY – This AAV is Designed to effectively vent plumbing fixtures rated up to 20 Drainage Fixture Units (DFU), ideal for sinks, lavatories, and other low-flow applications.
free delivery
Check price

TEHAUX 2PCS Kitchen Non Return Valve Base for Range Hood Durable Material Easy Installation Prevents Crossover Essential Accessory for Kitchen Ventilation
Sturdy kitchen base--can be used for restaurant's kitchen, personal home kitchen, hotel and some other places,range hood check valve
free delivery
Check price

TURvent 4" inch Dryer Vent Cover Outside - ABS Plastic HVAC Air Vents for Exterior Wall - Gray Ventilation Exhaust Grille with Weather Protective Cap and Non-Return Valve
Technical Information - Outdoor dryer vent cover features a 3.9 inch flange diameter with external dimensions of 6.02 x 5.83 inches, compatible with all types of round ducting for versatile use in ventilation systems.
free delivery
Check price

Aulmscn 8 Inch HVAC Duct Manual Volume Backdraft Damper,Stainless Steel Airflow Control Valve With Adjustment Handle,Duct Damper for HVAC Ventilation System (8inch)
[Stainless Steel Material]:The HVAC Duct Manual Volume Damper body is made from stainless steel material, durable material resists rust and corrosion superbly,ensuring reliable performance even in humid and high-temperature conditions.
free delivery
Check price

TURvent 4" inch Dryer Vent Cover Outside - ABS Plastic HVAC Air Vents for Exterior Wall - Brown Ventilation Exhaust Grille with Weather Protective Cap and Non-Return Valve
Technical Information - Outdoor dryer vent cover features a 3.9 inch flange diameter with external dimensions of 6.02 x 5.83 inches, compatible with all types of round ducting for versatile use in ventilation systems.
free delivery
Check price

Aulmscn 3 Inch HVAC Duct Manual Volume Backdraft Damper,Stainless Steel Airflow Control Valve With Adjustment Handle,Duct Damper for HVAC Ventilation System (3inch)
[Stainless Steel Material]:The HVAC Duct Manual Volume Damper body is made from stainless steel material, durable material resists rust and corrosion superbly,ensuring reliable performance even in humid and high-temperature conditions.
free delivery
Check price

PATIKIL Backdraft Damper with Sleeve, 6 Inch, Airflow Ducting Volume Branch Vent Air Control Valve, Adjustment Handle Galvanized Metal, for HVAC
The body and the flap blade are made from galvanized metal material, a durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. (Size: Port Outer Diameter: 149mm / 5.87", 152mm / 6 inch; Length:160mm / 6.3 inch)
free delivery
Check price
5% discount

FanGoFast Exhaust Fan Stainless Steel Ventilation Fan with Switch Wall mounted Bathroom fan with check valve for Kitchen, Workshop, Basement (Black, 10 inch)
Efficient Ventilation: This exhaust fan effectively removes moisture, odors, and stale air from bathrooms, laundry rooms, and other small spaces.
Check price

Aulmscn 4 Inch HVAC Duct Manual Volume Backdraft Damper,Stainless Steel Airflow Control Valve With Adjustment Handle,Duct Damper for HVAC Ventilation System (4inch)
[Stainless Steel Material]:The HVAC Duct Manual Volume Damper body is made from stainless steel material, durable material resists rust and corrosion superbly,ensuring reliable performance even in humid and high-temperature conditions.
free delivery
Check price

Waterproof Air Vent Valve Waterproof Ip68 M20 Nylon Brass Breathable Valve Air Ventilate Permeable Hydrophobic Plastic Breather Vent Plug(Black,M6x1,100pcs)
【Dual-Port Design】: Features two independent ports to enhance pressure equalization and humidity control within electrical enclosures and cabinets.
free delivery
Check price

Aulmscn 6" Motorized Duct Damper, Stainless Steel Backdraft for HVAC,AC24V
[Remote Motorized Control]: The damper features a AC 24V electric actuator. Simply connect the switch to the actuator following the wiring diagram to enable remote valve control. It absorbs vibration and minimizes operational noise.
free delivery
Check price

Pressure Relief Compression Differential Waterproof and Ventilation Breathable Valve Screw-in Vent Type IP68 Breather Vent Plug Plastic M12 x 1.5 100-Pieces Per Bag-Black
Breather Venting: let the air through but prevent the moisture and dust through to extend the life span
free delivery
Check price

Aulmscn 6 Inch HVAC Duct Manual Volume Backdraft Damper,Stainless Steel Airflow Control Valve With Adjustment Handle,Duct Damper for HVAC Ventilation System (6inch)
[Stainless Steel Material]:The HVAC Duct Manual Volume Damper body is made from stainless steel material, durable material resists rust and corrosion superbly,ensuring reliable performance even in humid and high-temperature conditions.
free delivery
Check price

HVAC OV 4 Inch Backdraft Damper - Galvanized Steel Dryer Duct Shutter - One-Way Airflow Backflow Draft Blocker/Preventer - Dryer Exhaust Vent 4 Inch Duct Damper - HVAC Ventilation Home Improvement
PRECISE SIZE & FIT – 4 INCH DUCT CONNECTION - Designed for standard 4" ventilation ducts. Overall body lenght: 3.46". Both end diameter: 3.9". Both end insertion depth: 1.57" per side. Ensures a secure, centered fit inside round HVAC ducting.
free delivery
Check price

Kikerike 10 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
【Material】The 10 inch backdraft damper is made of a Galvanized steel, the flap leaves are made of aluminum
free delivery
Check price

Aulmscn 4" Motorized Duct Damper, Stainless Steel Backdraft for HVAC,AC24V
[Remote Motorized Control]: The damper features a AC 24V electric actuator. Simply connect the switch to the actuator following the wiring diagram to enable remote valve control. It absorbs vibration and minimizes operational noise.
free delivery
Check price

LouanXpert 6 Inch Bathroom Exhaust Fan, 188CFM Bathroom Extractor Ventilation Fan Glass and Wall Mount Exhaust Fan with Check Valve, LED Indicator for Attic Garage
【High Performance】: Working Voltage: 110V/60Hz; Power: 18W; Air Flow: 188CFM; Motor Rotation Speed: 1850RPM; Noise (
free delivery
Check price

HVAC OV 5 Inch Backdraft Damper - Galvanized Steel Dryer Duct Shutter - One-Way Airflow Backflow Draft Blocker/Preventer - Dryer Exhaust Vent 4 Inch Duct Damper - HVAC Ventilation Home Improvement
PRECISE SIZE & FIT – 5 INCH DUCT CONNECTION - Designed for standard 5" ventilation ducts. Overall body lenght: 3.54". Both end diameter: 4.88". Both end insertion depth: 1.57" per side. Ensures a secure, centered fit inside round HVAC ducting.
free delivery
Check price

Fepinc 6 inch Bathroom Exhaust Fan, Silent Ceiling/Wall Mount Ventilation
[PURE COPPER SMOOTH MOTOR]: This exhaust fan uses a highly efficient 18W pure copper AC motor with a motor speed of 1850rpm/min, 141CFM, exchanging twenty cubic meters of air in less than ten minutes, and adopts multiple ball bearing fan blades that rotate silky smooth, with low power consumption and a long service life
free delivery
Check price

Aulmscn 8" Motorized Duct Damper, Stainless Steel Backdraft for HVAC,AC24V
[Remote Motorized Control]: The damper features a AC 24V electric actuator. Simply connect the switch to the actuator following the wiring diagram to enable remote valve control. It absorbs vibration and minimizes operational noise.
free delivery
Check price

PATIKIL 8 Inch HVAC Duct Damper Manual Volume Backdraft Damper,Silver/Blue
Material: Material: Galvanized Iron; Adjustable Angle: 90 Degree; Thickness: 1 mm / 0.04 inch; Outer Diameter: 195 mm / 7.8 inch; Length: 200 mm / 8 inch; Packing List: 1Pcs x Duct Manual Volume Damper
free delivery
Check price

Hose Vary 4inch Wall Exhaust Fan, Black
NEW DESIGN: Modern upgraded glass panel, more convenient to clean when the surface is full of dust and oil. The whole black color, more durable and chic.
free delivery
Check price

Fepinc 6 inch Bathroom Exhaust Fan, Silent Ceiling/Wall Mount Ventilation
[PURE COPPER SMOOTH MOTOR]: This exhaust fan uses a highly efficient 18W pure copper AC motor with a motor speed of 1850rpm/min, 141CFM, exchanging twenty cubic meters of air in less than ten minutes, and adopts multiple ball bearing fan blades that rotate silky smooth, with low power consumption and a long service life
free delivery
Check price

Oatey 39016 Sure-Vent Air Admittance Valve with 1-1/2-Inch by 2-Inch PVC Adapter, 2-Inch, Sold as 3 Pack
Oatey
free delivery
Check price

Aulmscn 3" Motorized Duct Damper, Stainless Steel Backdraft for HVAC,AC24V
[Remote Motorized Control]: The damper features a AC 24V electric actuator. Simply connect the switch to the actuator following the wiring diagram to enable remote valve control. It absorbs vibration and minimizes operational noise.
free delivery
Check price

PATIKIL 5 Inch HVAC Duct Damper Manual Volume Backdraft Damper Silver/Blue
Material: Material: Galvanized Iron; Adjustable Angle: 90 Degree; Thickness: 1 mm / 0.04 inch; Outer Diameter: 120 mm / 4.8 inch; Length: 200 mm / 8 inch; Packing List: 1Pcs x Duct Manual Volume Damper
free delivery
Check price
5% discount

AMREMSU 4 Inch HVAC Duct Backdraft Damper - Stainless Steel Manual Adjustable Air Control Valve with Sealing Rubber Gasket for Airflow Ducting Branch Vent Systems
Durable Material:AMREMSSU 4 Inch hvac damper combines stainless steel body with aluminum valve blade,rust-proof sturdy construction with high hardness and heat resistance, effectively prevents deformation, corrosion, moisture buildup,and discoloration of the duct damper valve for long-lasting performance.
Check price

Tapa Fuel Gas Tank Vent Valve Roll over Valve 951-14075A 751-14075A Comaptible with MTD Troy-Bilt Tiller Pressure Washer and Lawn Mower
Mounting size: 28 mm or 1.1 inches diameter for mounting hole on fuel gas tank.
free delivery
Check price

Moonjor 4" Fume Extractor Fan, DC 12V Inline Ventilation Fan w/Filter Mesh
Widely Used: The 4 inch inline fan is widely used in homes, offices, warehouses, restaurants, bars, shops, shopping malls, grow tents, greenhouses and other places where a lot of air is needed.
free delivery
Check price
5% discount

Repa Market 150mm White Steel Exhaust Diffuser with Flange - Soffit Vent Grille - Adjustable Valve for Optimal Airflow - Quiet Duct Air Extraction - Indoor Ventilation - Round Duct Cover
Exhaust diffusers are designed for removing air in residential buildings, offices, kitchens, bathrooms and other air conditioning or ventilation systems. Diffuser comes with foam insulation located beneath the cover, reducing sounds and vibrations.
Check price

Hon&Guan HVAC Duct Manual Volume Backdraft Damper 8 Inch ,Manual Airflow Control with Silicone Seal Ring Flap for Airflow Ducting Branch Vent Systems -Galvanized Steel,Black
【Durable Material】The havc damper body is made of galvanized steel with black spray paint finish and the flap blade is made from aluminum which resist rust and corrosion, ensuring reliable performance even in humid and high-temperature conditions.
free delivery
Check price

TURvent 4 inch Black/Anthracite Plastic Diffuser - Adjustable Vent Cover for Wall - Ceiling Duct Cover with Front Plate - Universal Valve for Exhaust and Supply Air - Round Ventilation Covers
Universal Fit – Designed with an internal diameter of 3.9 inches and an external diameter of 5.7 inches, this Plastic hvac diffuser fits seamlessly with all types of round ducting systems, ensuring a versatile and reliable solution for ventilation needs.
free delivery
Check price

BRDUROBLA 10 Inch 250 mm PVC HVAC Duct Manual Volume Backdraft Damper - Airflow Control Valve with Adjustment Handle - Duct Damper for HVAC Ventilation System, 10''(250mm)
Corrosion & Rust Resistant: Using high-quality and environmentally friendly PP material, ideal for long-term use in harsh environments.
free delivery
Check price

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 5 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel, for HVAC
Durable Material: The body is made from stainless steel material and the flap blade is made from aluminum, durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. (Size: Port Outer Diameter: 125mm / 5 inch; Length:190mm / 7.5 inch)
free delivery
Check price

HXymxkeqi 6 Inch Manual Airflow Control Damper, 150mm OD / 190mm Length, Full Stainless Steel Duct Valve with Handle, for HVAC & Ventilation Duct Systems (1, 6 Inch)
1. 【Pro Size & All-Stainless Build】: Standard 6-inch size with 150mm outer diameter and 190mm total length. The damper body and adjusting blade are both constructed from durable 201 stainless steel (no aluminum parts), offering superior corrosion resistance, robustness, and extended service life.
free delivery
Check price

ZOWZEA 2Pcs 8" Motorized Duct Damper,On/Off Backdraft Damper Control, Stainless Steel Airflow Control Damper for HVAC System, 24V AC
[Stainless Steel]: This 8-inch electric damper is made of stainless steel, compared with cheap galvanized iron, it can withstand extreme temperatures from -10°C to 70°C and humid environments, long-lasting and durable.
free delivery
Check price

neverest® RKI 4" Inline Backdraft Damper, One-Way Airflow Check Valve
ONE-WAY AIRFLOW CONTROL: This passive inline check valve allows air to exit while automatically blocking outside air from entering. Perfect for stopping cold drafts, odors, and backflow in your home’s 4-inch ventilation ducts.
free delivery
Check price

SAILFLO 4-Inch Wall Exhaust Fan: Small Window Ventilation Fit 4" Duct
【Upgraded Fan】When installed on glass or walls, it effectively prevents dust, leaves, pollen, and backflow with the wind-proof ABS sheet. The removable lattice filter is easy to clean. This 4-inch exhaust fan delivers a consistent airflow of 76 CFM at a fixed speed of 1300 RPM, and features a simple pull-chain switch for easy on/off operation, even when mounted at height
free delivery
Check price

PYouo-small air vent, 80-200mm PVC Round Pipe Draft Blocker Backdraft Damper, One Way ventilation fan, air duct Check Valve, Kitchen Ventilation Grill , Home decoration accessories ( Color : 100mm )
100% Brand new & High quality
free delivery
Check price

Ventilation Outlet Spherical Air Valve Grill Cover 4" 6" 7" 8" Stainless Steel Vents External Extractor Wall Dryer Vent Cap, Hemispherical Design, Louvered Grille Cover Hood Vent Exhaust Cover
▲Material: The vent is made of thickened 304 stainless steel, 0.7mm thick, with black paint on the surface, scratch-resistant and durable. Large vent design ensures smooth ventilation.
free delivery
Check price

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 10 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel, for HVAC
Durable Material: The body is made from stainless steel material and the flap blade is made from aluminum, durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. (Size: Port Outer Diameter: 250mm / 10 inch; Length:190mm / 7.48 inch)
free delivery
Check price

SAILFLO 6-Inch Wall Exhaust Fan: Small Window Ventilation Fit 6" Duct
【Upgraded Fan】When installed on glass or walls, it effectively prevents dust, leaves, pollen, and backflow with the wind-proof ABS sheet. The removable lattice filter is easy to clean. This 6-inch exhaust fan delivers a consistent airflow of 188 CFM at a fixed speed of 1300 RPM, and features a simple pull-chain switch for easy on/off operation, even when mounted at height
free delivery
Check price

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 3 Inch, 2 Pcs Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel, for HVAC
Durable Material: The body is made from stainless steel material and the flap blade is made from aluminum, durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. (Size: Port Outer Diameter: 75mm / 3 inch; Length:150mm / 6 inch)
free delivery
Check price

Aydomer 6 Inch Exhaust Fan, 26W Wall Mount Small Ventilation Fan With Switch, 139CFM Ventilation Extractor Fan With Anti-backflow Check Valve Ultra Thin For Bathroom Kitchen Garage(White)
High Quality Exhaust Fan: The fan frame and blades use high quality ABS plastic material, thick and sturdy enough for long-term durable use. With switch, 4.7ft long cord plug for safety and convenient use
free delivery
Check price

ABOUT VENT 4 inch Wooden Adjustable Vent Cover (Free of Resin) - Round Ventilation Diffuser for Wall and Ceiling - Supply and Exhaust Sauna Ventilation - Black Alder Wood Adjustable Air Valve
Wood diffuser is specifically crafted for saunas and other high-humidity areas, providing durability and function in intense conditions. wooden vent cover circulates fresh air to create a comfortable, well-ventilated space, enhancing the overall sauna experience.
free delivery
Check price

MEKOTRIN 6 Inch Exhaust Fan with Mesh and Anti-Backflow Check Valve, 110V
Durable Construction: Built with a strong ABS frame and fire-resistant materials, this exhaust fan is designed for long-lasting performance. The lightweight yet sturdy blades and robust motor ensure reliable operation even with frequent use, making it a practical choice for your ventilation needs
free delivery
Check price

PATIKIL HVAC Duct Manual Volume Backdraft Damper, 2.5 Inch, Airflow Ducting Branch Vent Damper Air Control Valve, Adjustment Handle Stainless Steel, for HVAC
Durable Material: The body is made from stainless steel material and the flap blade is made from aluminum, durable material for long-lasting performance. Constructed with sturdy components to ensure reliability. (Size: Port Outer Diameter: 63mm / 2.5 inch; Length:150mm / 6 inch)
free delivery
Check price

CHEOTIME 6 Inch Backdraft Damper One Way Air Flow Duct Check Valve for HVAC
Backdraft Damper: A duct connector which is equipped with backflow damper device to ensure stable airflow without leakage, ideal for HVAC exhaust applications in residential or commercial settings.
free delivery
Check price

BRDUROBLA 2 Inch 50mm Stainless Steel HVAC Duct Manual Volume Backdraft Damper - Airflow Control Valve with Adjustment Handle - Duct Damper for HVAC Ventilation System, 2''(50mm)
Corrosion & Rust Resistant: Made from high-grade stainless steel, ideal for long-term use in harsh environments.
free delivery
Check price

Therwen Backdraft Damper Duct Manual Volume Damper, 2 Pcs, 8 Inch
Suitable Size: the bend end interface of air duct damper measures about 7-7/8 inches/ 20 cm in diameter while the other side is about 8 inches/ 20.32 cm in diameter and the height is about 6 inches/ 15.24 cm in height, which is suitable for inserting 8 inch ventilation duct
free delivery
Check price

PATIKIL 1 Inch Duct Backdraft Damper, 304 Stainless Steel Manual Adjustment Airflow Volume Damper for Vents Fans Extractors Range Hoods HVAC Ventilation Systems
SPECIFICATION: Color: Silver; Outer Diameter: 25 mm / 1 inch; Inner Diameter: 23 mm / 0.9 inch; Thickness: 1 mm / 0.04 inch; Length: 100 mm / 3.94 inch; Packing List: 1Pcs Duct Backdraft Damper
free delivery
Check price

calimaero® Seal 100 mm Non-Return Valve for Ventilation Modernization
PRODUCT FEATURES This 4inch damper vent air blocker does what it is designed to do. It prevents outside air from entering back into your house via dryer, bathroom fan, and grow tent. You will be very pleased with the quality, functionality, value, and ease of installation of this product.
free delivery
Check price

Therwen Backdraft Damper Duct Manual Volume Damper, 1 Pcs, 5 Inch
Suitable Size: the bend end interface of air duct damper measures about 4.83 inches/ 12.28 cm in diameter while the other side is about 5 inches/ 12.7 cm in diameter and the height is about 6 inches/ 15.24 cm in height, which is suitable for inserting 5 inch ventilation duct
free delivery
Check price

HVAC Duct Manual Volume Backdraft Damper, Airflow Ducting Branch Vent Damper with Sealed Rubber Gasket Air Control Valve, Adjustment Handle Stainless Steel, for HVAC Vent Systems (4in)
Quality Materials: The body is made from stainless steel material and the flap blade is made from aluminum, With high hardness is not easy to deformation and corrosion, can be used for a long time
free delivery
Check price

ACEDUROBLA Black 4 Inch Exhaust Fan Metal Iron Ventilation Extractor Fan
【Metal Ventilation Fan】>> Made With Metal Material, That'S Heavy Duty And Can'T Be Broken Easily Compared To Plastic Material, Suitable For Attic, Basement, Bathroom, Garage, Kitchen.
free delivery
Check price

TA-VIGOR 6 Inch HVAC Duct Manual Backdraft Damper w/Sleeve
100% Stainless Steel: Port Outer Diameter: 150mm / 5.9"; Length: 190mm / 7.5". Heavy-duty duct damper is made of rustproof 304 stainless steel, including body, flap, and hardware, ensuring superior durability and corrosion resistance.
free delivery
Check price
5% discount

Solar Exhaust Fan with Power Adapter, 6 Inch Solar Powered Exhaust Ventilation Fan, Quiet Brushless Solar Vent Fan with 25W Solar Panel, Anti‑Backflow Valve for Chicken Coop, Shed, Greenhouse
【25W Solar Panel with Adapter Power Option 】Powered by a high‐efficiency 25W solar panel during the day when sunlight is available, providing energy‐saving ventilation without ongoing electricity costs. When solar power is not in use, the fan can also be operated using the included power adapter, making it suitable for nighttime use or indoor setups that require consistent airflow.
Check price

Solar Exhaust Fan – Compact for Small Spaces, Brushless Quiet 6" Ventilation Vent Fan, 25W Solar Panel with Bracket, Anti-Backflow Valve; for Chicken Coops, Pet Houses, Sheds, Greenhouses (Black)
【25W Solar Panel & Compact 6-Inch Design】 Our upgraded 6-inch solar exhaust fan features a brushless motor for whisper-quiet operation (≤28dB) and long-lasting durability. With a high-speed rotation of 2300 RPM and airflow up to 380 CFM, it delivers strong ventilation for compact enclosures under 30ft2, including chicken coops, rabbit hutches, pet houses, and mini sheds. Paired with a 25W high-efficiency solar panel and adjustable bracket, it provides consistent airflow without overwhelming small spaces.
free delivery
Check price

MEKOTRIN 10 Inch Exhaust Fan with Mesh and Anti-Backflow Check Valve, 110V
Durable Construction: Built with a strong ABS frame and fire-resistant materials, this exhaust fan is designed for long-lasting performance. The lightweight yet sturdy blades and robust motor ensure reliable operation even with frequent use, making it a practical choice for your ventilation needs
free delivery
Check price

Waterproof Air Vent Valve Waterproof Vent Plug Screw Automatic Exhaust Breather Valve M5 M6 M8 M10 M12 M16 M24 M40 IP67 Nylon Breathable Pressure(Black,M20x1.5,10pcs)
【Dual-Port Design】: Features two independent ports to enhance pressure equalization and humidity control within electrical enclosures and cabinets.
free delivery
Check price

VezoWorks 5 Inch Duct Damper - Metal Inline Backdraft Damper/Draft Blocker for Metal, Plastic Round Exhaust HVAC Ducting - Spring Loaded One-Way Airflow Dryer Vent Damper, Duct Connector
MADE FOR 5 INCH DUCTING - Insertion diameter is 4.88", installation depth on each side is 1.34", this male fit backflow preventer is made for 5 inch exhaust ventilation systems. Total length measures 3.54". For commercial, industrial and residential use.
free delivery
Check price

calimaero® TVSA 5" Round Exhaust Air Disc Valve – Adjustable Vent Cover
ADJUSTABLE EXHAUST CONTROL: Specifically engineered for air extraction. The central disc is mounted on a threaded screw, allowing you to manually rotate it to fine-tune the exhaust volume. Perfect for balancing the airflow in your bathroom or kitchen ventilation system.
free delivery
Check price

4 Inch Bathroom Exhaust Fan, Plug in Wall Exhaust Fan, 130m³/h Quiet Ventilation Extractor with Check Valve, Wall/Window Mount Bathroom Exhaust Fan for Kitchen, Garage, Office, 10W, 34 dB,ivory white
EINTTAX
free delivery
Check price

BRDUROBLA 3'' Backdraft Damper Duct Draft Stopper Draft Blocker, One Way Airflow Ducting Insert for Ducting in PVC/Flexible Hose/Metal Pipe, Bathrooms Fans and Shutter Fan Vent, 3''(75mm)
Corrosion & Rust Resistant: Made from high-grade stainless steel, ideal for long-term use in harsh environments.
free delivery
Check price

6 Inch White Metal HVAC Air Vent Diffuser - Adjustable Supply Air Valve with Mounting Ring - Ceiling & Wall Round Ventilation Cover for Bathroom Kitchen Garage
SUPPLY AIR VENT DIFFUSER – White painted metal air supply valve designed for HVAC ventilation systems. Suitable for controlled air supply in residential and commercial installations.
free delivery
Check price

Air Vent Plug Breather and Drainage Valves IP68 Nickle Plated Brass Vent Valve Breather for Lighting, Solar, Telecom, Automotive,Agriculture,WIFI/GPS Enclosure M12x1.5
Air Vent Plug Breather and Drainage Valves IP68 Nickle Plated Brass Vent Valve Breather
free delivery
Check price

8 Pcs 1-1/2 Inch NPT ABS In Line Vent, Diaphragm RV Air Admittance Valve
Enhon
free delivery
Check price

TURvent 4" inch Dryer Vent Cover Outside - ABS Plastic HVAC Air Vents for Exterior Wall - Anthracite Ventilation Exhaust Grille with Weather Protective Cap and Non-Return Valve
TURVENT
free delivery
Check price

TURvent 5 inch Resin Free Black Alder Wood Diffuser - Sauna Vent Cover for Wall and Ceiling - Adjustable Supply Exhaust Air Valve - Wooden Round Ventilation Covers
TURVENT
free delivery
Check price
5% discount

Threlaco 2 Pcs 6" HVAC Duct Manual Volume Backdraft Damper Metal Adjustment Airflow Ducting Branch Damper Stainless Steel Valve with Adjustment Handle for Air Ventilation System Range Hoods
Convenient Pack: the package includes 2 pieces of 6 inch backdraft damper, an ample amount to fulfill your needs when it comes to maintaining proper ventilation, you can balance the airflow in multiple locations, improving the overall performance
Check price

ZOWZEA 2Pack 8" HVAC Duct Manual Volume Backdraft Damper, Stainless Steel Adjustment Handle, Airflow Control Valve for HVAC Ventilation System
ZOWZEA
free delivery
Check price

PATIKIL 3 Inch HVAC Duct Manual Volume Backdraft Damper, Adjustable
Color: Silver; Material: 201 Stainless Steel / Aluminum / Silicone / Rubber; Port Outer Diameter: 80mm / 3.15 inch; Length: 150mm / 5.91 inch; Packing List: 1 x HVAC Duct Manual Volume Backdraft Damper.
free delivery
Check price

PRETYZOOM Check Valve PVC Sewer Pipe Cap Drain Adapter Backflow Preventer Round Pipe Plug for Bathroom Kitchen Vent Drainage Systems 3.74 X 3.22 X 3.22 in
Efficient Gas Backflow Prevention: This check valve effectively prevents gas backflow, ensuring fresh indoor air quality and reducing unpleasant odors in your home environment
free delivery
Check price

TURvent 4 inch Resin Free Black Alder Wood Diffuser - Sauna Vent Cover for Wall and Ceiling - Adjustable Supply Exhaust Air Valve - Wooden Round Ventilation Covers
TURVENT
free delivery
Check price

TURvent 4 inch White Metal Diffuser - Adjustable Vent for Wall - Ceiling Duct Cover - Exhaust Air Valve - Round Ventilation Covers for Bathroom Kitchen Garage
TURVENT
free delivery
Check price

PATIKIL 4 Inch HVAC Duct Manual Volume Backdraft Damper, Adjustable
Color: Silver; Material: 201 Stainless Steel / Aluminum / Silicone / Rubber; Port Outer Diameter: 100mm / 3.94 inch; Length: 150mm / 5.91 inch; Packing List: 1 x HVAC Duct Manual Volume Backdraft Damper.
free delivery
Check price

TURvent 4 inch Black/Anthracite Metal Diffuser - Adjustable Vent for Wall - Ceiling Duct Cover - Supply Air Valve - Round Ventilation Covers for Bathroom Kitchen Garage
TURVENT
free delivery
Check price

TURvent 4 inch White Metal Diffuser - Adjustable Vent for Wall - Ceiling Duct Cover - Supply Air Valve - Round Ventilation Covers for Bathroom Kitchen Garage
TURVENT
free delivery
Check price

Waterproof Air Vent Valve 10pcs Waterproof Vent Plug Screw M10x1 Air Ventilation M5 M6 M8 M12 M16 M20 IP68 E-PTFE Nylon Breathable Valve Pressure Balance(Black,M20x1.5,10pcs)
【Dual-Port Design】: Features two independent ports to enhance pressure equalization and humidity control within electrical enclosures and cabinets.
free delivery
Check price

TA-VIGOR HVAC Duct 8 Inch Galvanized Iron Backdraft Damper
Dimensions: This damper features a 7-7/8" (200mm) straight end and a 8" (203.2mm) bent end, with an overall height of 6" (152.4mm).
free delivery
Check price

TURvent 4 inch Black/Anthracite Metal Diffuser - Adjustable Vent for Wall - Ceiling Duct Cover with Front Plate - Universal Valve for Exhaust an Supply Air - Round Ventilation Covers
TURVENT
free delivery
Check price

Hosrivae ABS Exterior Wall Ventilation Grille with Valve, Weatherproof Range Hood Duct Outlet Kitchen Bathroom Toilet, Pipe Connection 100mm 125mm 150mm, White for exhaust (100MM)
【Pipe Connection Options】This ventilation grille range hood duct outlet offers three pipe connection options: 100mm, 125mm, and 150mm. It is equipped with an outlet featuring a valve airflow control.
free delivery
Check price

BRDUROBLA 2 Inch 50mm PVC HVAC Duct Manual Volume Backdraft Damper - Airflow Control Valve with Adjustment Handle - Duct Damper for HVAC Ventilation System, 2''(50mm)
Corrosion & Rust Resistant: Using high-quality and environmentally friendly PP material, ideal for long-term use in harsh environments.
free delivery
Check price

TIHCXNY 6-inch wall-mounted kitchen metal exhaust fan with switch, 382-576CFM, portable installation, with return air valve, suitable for attic, garage, bathroom, office, basement ventilation, silver
(High-Speed Exhaust Fan) A high-speed fan with ultra-high rotation speed, featuring a high-quality metal frame and seven aluminum blades, efficiently removes smoke, moisture, and odors from any space.
free delivery
Check price

Midline Valve SBWIB18 Hoffman Steam Air Vent; Heat Regulator Float Type Valve; Angle Mount; 1/8 in. NPT; Chrome Plated Steel
Quiet PerFormance: these Mini valves will balance the Air accumulation in your Heating Systems Smoothly and evenly, with No hissing, clicking, and banging
Check price

BRDUROBLA 3 Inch 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper
Pipe backdraft damper, butterfly valve. Especially suitable for inserting into exhaust hose or pvc. Perfect for use in bathrooms, attic, garages, air conditioners, fans, extractor hoods, ventilation systems.
free delivery
Check price

MIDLINE VALVE 1/8 Inch Air Vent No. 6, 1/8" Angled Steam Air Vent, Radiator Air Valve, Chrome Plated
#6 Angled Steam Air Vent – 1/8" angle vent designed for reliable steam radiator performance.
Check price

TIHCXNY 10-inch wall-mounted kitchen metal exhaust fan with switch, 382-576CFM, portable installation, with return air valve, suitable for attic, garage, bathroom, office, basement ventilation,Black
(High-Speed Exhaust Fan) A high-speed fan with ultra-high rotation speed, featuring a high-quality metal frame and seven aluminum blades, efficiently removes smoke, moisture, and odors from any space.
free delivery
Check price

PATIKIL 5 Inch 3 Way Splitter, T-Shaped Metal Manual Volume Damper for Vents Fans Extractors Stove Pipes Range Hoods HVAC Ventilation Systems
PATIKIL
free delivery
Check price

PATIKIL 2 Inch Duct Backdraft Damper, 304 Stainless Steel Manual Adjustment Airflow Volume Damper for Vents Fans Extractors Range Hoods HVAC Ventilation Systems
SPECIFICATION: Color: Silver; Outer Diameter: 51 mm / 2 inch; Inner Diameter: 48 mm / 1.9 inch; Thickness: 0.7 mm / 0.03 inch; Length: 100 mm / 3.94 inch; Packing List: 1Pcs Duct Backdraft Damper
free delivery
Check price
5% discount

TIHCXNY 8-inch wall-mounted kitchen metal exhaust fan with switch, 382-576CFM, portable installation, with return air valve, suitable for attic, garage, bathroom, office, basement ventilation, Black
(High-Speed Exhaust Fan) A high-speed fan with ultra-high rotation speed, featuring a high-quality metal frame and seven aluminum blades, efficiently removes smoke, moisture, and odors from any space.
Check price

JMCHstore OEM Gas Fuel Tank Roll Over Valve for MTD CUB CADET Garden Tiller FT24 RT35 RT45 RT65 OHV Engine 951-14075A, Rollover Fuel Valve CS2210 VT100 RT65ES FT24R CC3224 JS1150 951-14075
JMCHstore OEM Roll Over Valve for MTD CUB Cadet Garden Tiller FT24 FT24R, RT35 RT45 RT65 RT65E RT65ES.
free delivery
Check price

Oatey 39221 Air Admittance Valve with Straight ABS Schedule 40 Adapter Sure-Vent 3 in. x 3 in.160 Branch, 72 Stack DFU Capacity
Complies to ASSE Standard 1050 and 1051
Check price

TURvent 4 inch Stainless Steel Diffuser - Adjustable Vent for Wall - Ceiling Duct Cover - Exhaust Air Valve - Round Ventilation Covers for Bathroom Kitchen Garage
Universal Fit – Designed with an internal diameter of 3.8 inches and an external diameter of 5.5 inches, this metal hvac diffuser fits seamlessly with all types of round ducting systems, ensuring a versatile and reliable solution for ventilation needs.
free delivery
Check price

PATIKIL 3 Inch Duct Backdraft Damper, 304 Stainless Steel Manual Adjustment Airflow Volume Damper for Vents Fans Extractors Range Hoods HVAC Ventilation Systems
SPECIFICATION: Color: Silver; Outer Diameter: 76 mm / 3 inch; Inner Diameter: 73 mm / 2.9 inch; Thickness: 1 mm / 0.04 inch; Length: 100 mm / 3.94 inch; Packing List: 1Pcs Duct Backdraft Damper
free delivery
Check price

Watts 800M4 1/2" & 3/4" Vent Repair Kit 887709 0887709 RK 800M4-V
Repair kit contains: float vent, disc assembly, seal and
free delivery
Check price

TURvent 5 inch White Metal Diffuser - Adjustable Vent for Wall - Ceiling Duct Cover - Exhaust Air Valve - Round Ventilation Covers for Bathroom Kitchen Garage
Universal Fit – Designed with an internal diameter of 4.9 inches and an external diameter of 6.6 inches, this metal hvac diffuser fits seamlessly with all types of round ducting systems, ensuring a versatile and reliable solution for ventilation needs.
free delivery
Check price

PATIKIL 3 Inch Round Air Vent Cover, ABS Exhaust Adjustable Valve Diffuser Ceiling Vent Covers Caps for Home Living Room Kitchen Office Ventilation, White
Size: Diameter: 12.2cm / 4.8 inch; Interface Dia: 7.4cm / 3 inch; Connection Duct Depth: 5.3cm / 2 inch; Height: 6.9cm / 2.7 inch; Color: White; Material: ABS Plastic (One-step injection molding, smooth surface and seamless.); Package Includes: 1pcs x Round Air Vent.
free delivery
Check price

BRDUROBLA 6 Inch 7 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector for Flexible Hose
BRDUROBLA
free delivery
Check price

RUNROTOO 2pcs Commercial Stove Air Vent Damper - Gas Stove Air Adjustment Valve - 3/4 Inch Ventilation Grille Control Nozzle for Gas Range Burner Restaurant Use
Manual Air Control: With the stove air vent damper for commercial stove, users can easily adjust ventilation grilles for oven and regulate the air shutter, ensuring optimal combustion during variable kitchen operations
free delivery
Check price

PATIKIL 2 Pcs 6 Inch HVAC Duct Manual Volume Backdraft Damper Metal Silver
Material: Material: Galvanized Iron, Silicone; Adjustable Angle: 90 Degree; Thickness: 1 mm / 0.04 inch; Outer Diameter: 147 mm / 5.9 inch; Length: 200 mm / 8 inch; Packing List: 1Pcs x Duct Manual Volume Damper
free delivery
Check price

PATIKIL 10 Inch HVAC Duct Damper Manual Volume Backdraft Damper,Silver/Blue
Material: Material: Galvanized Iron; Adjustable Angle: 90 Degree; Thickness: 1 mm / 0.04 inch; Outer Diameter: 245 mm / 9.8 inch; Length: 250 mm / 10 inch; Packing List: 1Pcs x Duct Manual Volume Damper
free delivery
Check price

PATIKIL 2 Pcs 4 Inch HVAC Duct Damper Manual Volume Backdraft Damper Silver
Material: Material: Galvanized Iron, Silicone; Adjustable Angle: 90 Degree; Thickness: 1 mm / 0.04 inch; Outer Diameter: 97 mm / 3.9 inch; Length: 200 mm / 8 inch; Packing List: 1Pcs x Duct Manual Volume Damper
free delivery
Check price
We have found a total of 171 ventilation valve deals at amazon, Homelectrical, Ace Hardware, and other shops for you. The most popular brands include: PATIKIL, TURVENT, and Aulmscn. Today's offer is Yiklwwy Crankcase Ventilation Vent PCV Valve Replacement For BMW 5 6 7 X5 E60 E61 E63 E65 E66 E67 E53 E70 N62 4.4L 4.8L 11127537733 with 30% discount. The lowest price we found in our offers is $ 13.44 . The highest price in our price comparison is $ 461.55 . Currently, we have selected 5 reliable shops for you to buy ventilation valve affordably.
